Reference Source

EP24v · GA800 · Alarm

For EP24v · GA800 · Alarm, brand is Yaskawa; model / series is GA800; fault code is EP24v; fault name is External Power 24V Supply; type is Alarm, verified against its source on 2026-09-01.

Brand
Yaskawa
Model / series
GA800
Fault code
EP24v verified
Fault name
External Power 24V Supply verified
Type
Alarm verified
Cause
The voltage of the main circuit power supply decreased, and the 24 V power supply is supplying power to the drive. verified
Corrective action
• Examine the main circuit power supply. • Turn ON the main circuit power supply to run the drive. verified
Sourceyaskawa.com
Verified
Review by
DatasetIndustrial VFD fault and alarm codes by brand

What the source says

EP24v (0081) External Power 24V Supply Flashing Alarm 128

yaskawa.com, retrieved 2026-09-01

Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

Cause

The voltage of the main circuit power supply decreased, and the 24 V power supply is supplying power to the drive.

Corrective action

• Examine the main circuit power supply. • Turn ON the main circuit power supply to run the drive.

— all from yaskawa.com, retrieved 2026-09-01

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.